Since 2001, some of the most innovative artists working in the United States have received the Smithsonian American Art Museum's Lucelia Artist Award. "Celebrating the Lucelia Artist Award, 2001–2006," on view through June 22, features work by each previous winner—Matthew Coolidge, director of the Center for Land Use Interpretation (2006); Andrea Zittel (2005); Kara Walker (2004); Rirkrit Tiravanija (2003); Liz Larner (2002); and Jorge Pardo (2001).